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When we solve this, it's going to be the same process as solving 5(x-6) = 20, except at each step we need to think about whether we change the inequality round or keep it the same. There are two ways of d...

The most important thing is clarity. At A level and GSCE, the examiner should know what you are arguing immediately; try summing up your argument in one succinct line. After that, it can be useful to outl...

Given y = 2x(x² – 1)⁵, show that
(a) dy/dx = g(x)(x² – 1)⁴ where g(x) is a function to be de...

√40 + √90

= (√10 x √4 ) + (√10 x √9 )

= 2√10 + 3√10=5√10

Preterite- would be used for SINGULAR actions in the past; completed actions Imperfect- repeated actions in the past( saying I used to do something...) or descriptions We generally say that imperfect is a...